/ Dictionary / Index C C power supply: Meaning and Definition of Find definitions for: C power supply Pronunciation: [key] — Electronics. Electronics. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CPO CPR Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language